English explanation:

Click in the list for scale exercise or for blues in different keys (and
different styles). There are also some use full scale exercises (Scale exercises)
in simple keys and in different speeds (BPM = Beat Per Minute)

The synchronisation does not work very well. First time you load a melody,
you should click again after a couple of seconds in order to reload the melody
from your cashe. You may click on the links in order get the
melodies in mid format (That is if your browser will not run the music)
By unticking "Vis rød prik...." you may deselect the red
dot option. If you click in the picture
you may skip one beat Click here if the red
dot is in front